Marius Tarnauceanu <br/><br/>
Groups determined by posets of semigroups 
Marius Tarnauceanu 
 - Bucuresti  Matrix Rom  2006 
 - xii, 172p  24 cm 
<br/><br/><label>ISBN: </label>109737551222 
<br/><br/><label>Standard No.: </label>139789737551221